AMI DODUCO Implements Surcharge on Tungsten Bearing Materials

EXPORT, Pa.--(BUSINESS WIRE)----AMI DODUCO, a Technitrol (NYSE:TNL) Company, announced that due to unprecedented increases in tungsten costs, a surcharge on all tungsten bearing materials shipped to customers in North America is in effect July 1, 2005. The surcharge will be calculated utilizing the prior month's APT market price (converted to a price per pound for tungsten) less a $5.00 per pound floor and will be included in the fabrication charges to each customer of these tungsten bearing materials. Tungsten and tungsten carbide materials are strategic elements in the refractory contact materials produced by AMI Doduco and have wide ranging applications in residential and industrial electrical systems. Headquartered in Export, Pennsylvania, AMI DODUCO is a global leader in electrical contact technology and fabrication. The company supplies contacts and assemblies, contact materials and clad metal products, electroplating and surface treatment services, and precious metal refining and recycling to more than 3,000 customers. AMI DODUCO operates from locations in North America, Europe and Asia. The company's website is www.amidoduco.com. Copyright (C) 2005 AMI DODUCO, Inc. All rights reserved. All brand names and trademarks are properties of their respective holders. Cautionary Note: This message contains "forward looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Actual results may differ materially. This release should be read in conjunction with the factors set forth in Technitrol's report on Form 10-Q for the quarter ended April 1, 2005 in Item 2 under the caption "Factors That May Affect Our Future Results (Cautionary Statements for Purposes of the "Safe Harbor" Provisions of the Private Securities Litigation Reform Act of 1995)."